diff --git a/requirements.txt b/requirements.txt
index 8b481fd..c0790e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ backcall==0.1.0
 bleach==2.1.3
 bokeh==0.12.15
 bqplot==0.10.5
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 colorama==0.3.9
 CVXcanon==0.1.1